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jackscrew
(redirected from screw jack)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
jackscrew /jack·screw/ (-skroo) a screw-turned device to expand the dental arch and move individual teeth.
jackscrew
[jak′skro̅o̅]
a threaded device used in orthodontic appliances for the separation or approximation of teeth or jaw segments.

jackscrew,
n a threaded device used in appliances for separation or approximation of teeth or jaw segments.


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Screw jacks are often recommended and stated as the only really proper means of accomplishing this procedure.
Motorized screw jacks safely raise the hood and conveyors clear of the pan for complete access.
The mixer also features an electric screw jack lift and 50 psig jacket for heating or cooling and a reversible agitator blade.
 
 
 
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